Hey, do you know which kind of sunflower has the biggest head?
I think I'm going to like this Mongolian Giant Sunflower. It's huge! I've never seen a sunflower with a head that big.
The biggest and largest diameters head sunflower out there is the beautiful Mongolian Giant Sunflower.
Of course, Mammoth Grey Stripe Sunflower !!!The flowers can grow 30-35 cm diameter.
Sorry idk